H01Q 13/22
Longitudinal slot in boundary wall of waveguide or transmission line
Official title: Longitudinal slot in boundary wall of waveguide or transmission line {(H01Q13/203 takes precedence)}
H01Q13/22 (Longitudinal slot in boundary wall of waveguide or transmission line) appears on 303 US grants and 300 published applications in this corpus.
Search patents in H01Q- Granted patents
- 303
- Published applications
- 300
- Assignees
- 165
- Inventors
- 497
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 5 |
| 2004 | 4 | 8 |
| 2005 | 7 | 9 |
| 2006 | 8 | 7 |
| 2007 | 9 | 6 |
| 2008 | 4 | 1 |
| 2009 | 5 | 6 |
| 2010 | 3 | 43 |
| 2011 | 5 | 5 |
| 2012 | 7 | 16 |
| 2013 | 20 | 18 |
| 2014 | 21 | 9 |
| 2015 | 15 | 7 |
| 2016 | 14 | 12 |
| 2017 | 9 | 9 |
| 2018 | 12 | 17 |
| 2019 | 10 | 32 |
| 2020 | 27 | 25 |
| 2021 | 31 | 18 |
| 2022 | 15 | 18 |
| 2023 | 17 | 9 |
| 2024 | 16 | 9 |
| 2025 | 5 | 7 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Oscillating waveguides and related sensor assemblies15 Sep 2026US 12,738,663 B2Magna Electronics Inc.
- Antenna device14 Jul 2026US 12,683,289 B2Denso Corporation
- Resonant cavity antenna and electronic device16 Jun 2026US 12,658,560 B2Honor Device Co., Ltd.
- Radar for vehicle and vehicle including the same2 Jun 2026US 12,646,851 B2Hl Klemove Corp.
- Location information from a receiver in a wireless network24 Mar 2026US 12,586,916 B2Brown University
- Open waveguide antenna and system having the same17 Sep 2026US 2026/0280149 A1Rogers Corporation
- Leaky waveguide30 Jul 2026US 2026/0221664 A1Brown University
- Antenna structure and communication device5 Mar 2026US 2026/0066547 A1Huawei Technologies Co., Ltd.
- Radio frequency packages and methods for manufacturing thereof11 Dec 2025US 2025/0379356 A1Infineon Technologies AG
- Waveguide transition for single layered waveguide antennas23 Oct 2025US 2025/0329935 A1Aptiv Technologies AG
Most cited
By later US patents
- Methods and apparatus for inducing a fundamental wave mode on a transmission medium514US 9,509,415 B1AT&T Intellectual Property I, L. P. · 2016
- System and method for dual-band antenna matching340US 7,180,467 B2Kyocera Wireless Corp. · 2007
- Slotted dielectric-lined waveguide couplers and windows231US 5,043,629 AGeneral Atomics · 1991
- Circularly polarized waveguide slot array222US 8,957,818 B2Victory Microwave Corporation · 2015
- Multi-pattern antenna having independently controllable antenna pattern characteristics166US 6,243,049 B1TRW Inc. · 2001